MachineWise Serif — Serial 837

Phoenix, Arizona. This is the balisong that put MachineWise on the map — Bali Awards hardware for sound and grail status, still the one they point to when someone asks where to start.

Serial 837. QC card: S35VN, assembled 8-13-26. Purple anodized Grade 5 titanium with the Serif mill pattern.

Live blade: 5.3″ S35VN, 4.5″ sharpened edge, stonewash. Handles are chanwich titanium, tapered toward the pivot, hidden zen pins. Bushing pivot with hardened stainless washers. Hidden interchangeable brass weights — default medium set is a light handle bias at 3.96 oz. MARYN platform: blades swap with Opus / SlifT / Prysma / Maryn.

Handle it in Fresno before you buy. Butterfly knives are restricted in some areas — know your local law before you carry.

Specs

• Model / serial: Serif 837
• Type: Balisong / butterfly, live blade
• Open: 10.4″
• Closed: 5.8″
• Blade: 5.3″ (sharpened edge 4.5″)
• Steel: CPM-S35VN
• Handle: Grade 5 titanium, chanwich, purple Serif texture
• Handle length: 5.6″
• Pivot: Bushing + hardened stainless washers
• Pins: Hidden zen pins
• Weights: Hidden interchangeable brass (medium default)
• Weight w/ medium weights: 3.96 oz
• Platform: MARYN-compatible
• Origin: Phoenix, AZ, USA